Insulation Cost in Plymouth, CT in 2026
Most Insulation projects in Plymouth, CT cost between $1,500 and $6,500. The typical price is $3,100.
Labour and materials in Plymouth run about 9% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Batt, blown-in cellulose or closed-cell spray foam
- Target R-value for your climate zone
- Attic, wall or crawlspace access
- Air sealing done alongside the insulation
Usually included
- Insulation material to the specified R-value
- Installation and air sealing at obvious gaps
- Cleanup and disposal
Usually extra
- Removing contaminated existing insulation
- Ventilation or moisture remediation
- Drywall work for wall injection
Unit prices in Plymouth, CT
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.28 |
| Mid-range | $2.55 |
| High-end | $5.32 |
Insulation contractors in Plymouth, CT
Businesses listed on Google near Plymouth, CT. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Koala Insulation of Central Connecticut
5.0(173 reviews)
148 Dividend Rd Unit A, Rocky Hill, CT 06067
New England Performance Insulation
5.0(166 reviews)
262 Quarry Rd, Milford, CT 06460
Koala Insulation of Southern Connecticut
5.0(153 reviews)
23 Bridgeport Ave, Shelton, CT 06484
Good Life Energy Savers LLC
4.8(154 reviews)
50 Beaver Brook Rd #7, Danbury, CT 06810
CT Weatherproof Insulation, LLC
4.6(56 reviews)
418 Meadow St Ste 101 B-C, Fairfield, CT 06824
Advanced Insulation Milford
5.0(39 reviews)
100 Lansdale Ave, Milford, CT 06460